Home / 34,678.41-47,856.08-18,762.87

Finding the Fourth Proportional to 34,678.41, 47,856.08 and 18,762.87

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Solution

The fourth proportional to 34,678.41, 47,856.08 and 18,762.87 is: 25,892.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,678.41 : 47,856.08 = 18,762.87 : x
  2. Step 2: Convert to fraction form
    34,678.41/47,856.08 = 18,762.87/x
  3. Step 3: Cross multiply
    34,678.41x = 47,856.08 × 18,762.87
  4. Step 4: Simplify right side
    34,678.41x = 897,917,313.94
  5. Step 5: Solve for x
    x = 897,917,313.94/34,678.41
  6. Step 6: Final answer
    x = 25,892.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.